American Black Duck
Overview
The American Black Duck (Anas rubripes) is a large dabbling duck. American Black Ducks are similar to Mallard
Mallard
The Mallard , or Wild Duck , is a dabbling duck which breeds throughout the temperate and subtropical Americas, Europe, Asia, and North Africa, and has been introduced to New Zealand and Australia....

s in size, and resemble the female Mallard in coloration, although the Black Duck's plumage is darker. It is native to eastern North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 and has shown reduction in numbers and increasing hybridization with the more common Mallard
Mallard
The Mallard , or Wild Duck , is a dabbling duck which breeds throughout the temperate and subtropical Americas, Europe, Asia, and North Africa, and has been introduced to New Zealand and Australia....

 as that species has spread with man-made habitat changes.
American Black Ducks weigh 720–1640 g (1.6–3.6 lb), measure 48–63 cm (18.9–24.8 in) in length and 88–96 cm (34.6–37.8 in) across the wings.
 
x
OK